Things couldn't have gone much worse for the Kansas City Chiefs in their Sunday Night Football loss against the Seattle Seahawks . Still, KC remains at the top of the AFC with a 5-1 record and a lot of football still to be played.

What questions rose to the top of the Chiefs' list of uncertainties after their first loss of the year? Let's answer a few in this week's edition of the Chiefs On SI mailbag.

After this Seattle debacle, how bad have the Chiefs been exposed? - @MrEd315

I like the phrasing of this question, and I think I may surprise some people with my answer. How badly were the Chiefs exposed on Sunday? I'm not sure they were exposed at all!

The Chiefs' flaws in that game were glaring. Xavier Worthy, Jalen Royals and Andrew Armstrong are not a legitimate 1-2-3 trio of wide receivers, and the Chiefs know that. The Seahawks knew that.

The injuries at offensive tackle—down to OT3 on the left side and OT4 on the right—were no secret either.…